package com.br.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;

 
public class conexaoHibernateUtil implements Filter{

	private SessionFactory sf;
	
	
	@Override
	public void destroy() {
		
		
	}

	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
			FilterChain chain) throws IOException, ServletException {
		
		try {
			 this.sf.getCurrentSession().getTransaction();
			 chain.doFilter(servletRequest, servletResponse);
			 this.sf.getCurrentSession().getTransaction().commit();
			 this.sf.getCurrentSession().close();
			 
		} catch (Throwable e) {
			
		try {
			
			if(this.sf.getCurrentSession().getTransaction().isActive()){
				
				this.sf.getCurrentSession().getTransaction().rollback();
				
			}
			
		} catch (Throwable t) {
			
			t.printStackTrace();
			
		    }	
		 	
		  throw new ServletException(e.getMessage());
		}
		 
		
	}

	@Override
	public void init(FilterConfig config) throws ServletException {
		
		this.sf =HibernateUtil.getSession();
	}

	
	
}
